What is x^2+8x+15÷x^2+6x+8?

Pemdas

parenthasees
exponents
division or mulitplication

addition or subtraction

put parenthasees to indicate order

x^2+8x+(15/(x^2))+6x+8
add like tersm
8x+6x=14x
x^2+14x+(15/(x^2))+8

Well in order to lose a pound you would have to burn 1,500 calories. the more calories you burn the more weight you lose. in order to lose 2 pounds you would have to run 4 hours and 28 minutes.

Aand b are correctly balanced reactions. they have the same number of atoms in both sides of the reaction